CN112690498A

CN112690498A - Ultrasonic atomizer and electronic cigarette

Info

Publication number: CN112690498A
Application number: CN201910999882.XA
Authority: CN
Inventors: 刘建福; 钟科军; 郭小义; 尹新强; 易建华; 黄朝相; 周永权
Original assignee: China Tobacco Hunan Industrial Co Ltd
Current assignee: China Tobacco Hunan Industrial Co Ltd
Priority date: 2019-10-21
Filing date: 2019-10-21
Publication date: 2021-04-23

Abstract

An ultrasonic atomizer and an electronic cigarette comprise a shell (1) sleeved on an atomizing core (2), wherein an ultrasonic atomizing sheet (22) is arranged in the atomizing core along the longitudinal extension of the ultrasonic atomizer, the front electrode and the back electrode of the ultrasonic atomizing sheet are respectively electrically connected with an external power supply, sealing rings (21) are arranged at two ends of the atomizing core, and the shell is abutted against the sealing rings at the two ends of the atomizing core, so that an annular oil bin (3) is formed between the shell and the atomizing core; the ultrasonic atomization piece corresponds the oil sump sets up, just the just, reverse side of ultrasonic atomization piece all are the atomizing face, just, the just, reverse side of ultrasonic atomization piece respectively with lead the contact of oil body (23), lead oil body intercommunication the oil sump works as when the ultrasonic atomization piece switches on external power source, ultrasonic atomization is carried out simultaneously to the just, anti-atomizing face of ultrasonic atomization piece. The heat transferred to the shell is less during ultrasonic atomization, so that a user can be prevented from being scalded.

Description

Ultrasonic atomizer and electronic cigarette

Technical Field

The invention relates to an electronic smoking set, in particular to an ultrasonic atomizer and an electronic cigarette.

Background

Among the current electron cigarette ultrasonic atomization ware, the ultrasonic atomization piece generally is used for atomizing piezoceramics piece for at least one side, and at the ultrasonic atomization in-process, the ultrasonic atomization ware is sent out and scalds seriously, scalds user's lip or handheld hand easily, and the life of ultrasonic atomization piece is short simultaneously, and use cost is high.

Disclosure of Invention

The invention aims to solve the technical problem that users are easily scalded in the prior art, and provides an ultrasonic atomizer and an electronic cigarette which are used for preventing users from being scalded.

In order to solve the technical problems, the invention adopts the following technical scheme: the utility model provides an ultrasonic atomizer, includes shell and atomizing core, the shell suit is in on the atomizing core, along in the atomizing core ultrasonic atomizer's longitudinal extension sets up the ultrasonic atomization piece, the positive, reverse side electrode of ultrasonic atomization piece is connected with external power supply electricity respectively, wherein:

sealing rings are arranged at two ends of the atomizing core, and the shell is abutted against the sealing rings at the two ends of the atomizing core, so that an annular oil bin is formed between the shell and the atomizing core; the ultrasonic atomization piece corresponds the oil sump sets up, just the just, reverse side of ultrasonic atomization piece all are the atomizing face, just, the just, reverse side of ultrasonic atomization piece respectively with lead the contact of oil body, lead oil body intercommunication the oil sump works as during the external power source is put through to the ultrasonic atomization piece, ultrasonic atomization piece just, the anti-atomizing face carries out ultrasonic atomization simultaneously.

According to the invention, the ultrasonic atomization sheet is arranged in the oil bin, and the front surface and the back surface of the ultrasonic atomization sheet are respectively provided with the atomization surfaces and simultaneously participate in ultrasonic atomization, so that the electric quantity for driving the ultrasonic atomization sheet to work is fully used, the energy loss is reduced, and meanwhile, the two surfaces of the ultrasonic atomization sheet are contacted with the tobacco tar, so that the heat of the ultrasonic atomization sheet is also reduced, and the heat released by the ultrasonic atomization sheet is absorbed by the tobacco tar, so that the heat can be prevented from being absorbed by the shell to scald the lips or the hand of a user, and the service life of the ultrasonic atomization sheet can be prolonged.

The two oil guide bodies are respectively abutted and held on the front and back atomization surfaces of the ultrasonic atomization sheet by the abutting ends of the abutting pieces, an atomization cavity is arranged between the two abutting pieces and the ultrasonic atomization sheet, and the abutting ends of the two abutting pieces are respectively provided with a ventilation groove communicated with the oil bin and the atomization cavity, so that air in the atomization cavity can enter the oil bin, the smoke oil in the oil bin can be promoted to flow out, and the ultrasonic atomization sheet is prevented from being burnt dry.

Set up the suction nozzle on the shell, set up the ventiduct in the atomizing core, be close to on the ventiduct the one end of suction nozzle sets up first cavity, just the cross-sectional area of first cavity is greater than the cross-sectional area of ventiduct, so when smoking, large granule tobacco droplets can condense in first cavity to avoid the user to absorb the tobacco tar.

The atomizing core still includes the fixing base, set up the perforation on the fixing base, the ultrasonic atomization piece is installed in the perforation, just the shape of ultrasonic atomization piece with the fenestrate shape is unanimous to make the ultrasonic atomization piece can stable installation in the perforation.

Set up respectively on the just, the reverse side of fixing base with the gas groove of perforation intercommunication, just the gas groove is located the top of the atomizing face of ultrasonic atomization piece to make just, the anti-atomizing face of ultrasonic atomization piece all have the air current to pass through, take away smog to enter the oil storehouse, promote the tobacco tar and smoothly flow out.

Electrode grooves are respectively arranged on the front surface and the back surface of the fixing seat, and electrode plates electrically connected with the front surface and the back surface of the ultrasonic atomization plate are respectively placed in the two electrode grooves.

The atomization core of the invention is implemented in a way that the atomization core also comprises a base and a fixed seat, wherein the upper end and the lower end of the base are respectively provided with the sealing rings; the inner cavity of the base is sequentially provided with a first cavity, an air outlet channel and an insertion groove from top to bottom, the bottom of the insertion groove is provided with an insertion hole, and the fixed seat is inserted into the insertion groove through the insertion hole; set up the perforation on the fixing base, the ultrasonic atomization piece is installed in the perforation, correspond on the base the ultrasonic atomization piece sets up the mounting groove, still set up the intercommunication on the base the mounting groove with the oil feed tank of oil bunker, place in the mounting groove the oil guide body with the part is supported, just the oil guide body with the oil feed tank intercommunication, the atomizing chamber with the ventiduct intercommunication.

The pressing piece is also provided with a pressing surface used for pressing the oil guide body in the mounting groove.

The bottom of the ultrasonic atomization piece is set to be a square limiting surface, so that the connection between the front and back electrodes of the ultrasonic atomization piece and the electrode plate is more stable.

Based on the same inventive concept, the invention provides an electronic cigarette which comprises the ultrasonic atomizer.

Compared with the prior art, the invention has the beneficial effects that:

1. the front surface and the back surface of the ultrasonic atomization sheet are involved in atomization, so that energy loss is reduced, and atomization amount is increased; and the ultrasonic atomization piece is arranged in the oil bin, so that the heat transferred to the shell is reduced, and the lips or the hand of a user can be prevented from being scalded.

2. The invention prolongs the service life of the ultrasonic atomization sheet, and has simple structure and low cost.

Drawings

Fig. 1 is a schematic perspective view of an ultrasonic atomizer according to a first embodiment of the present invention.

Fig. 2 is a schematic cross-sectional structure diagram of an ultrasonic atomizer according to a first embodiment of the present invention.

Fig. 3 is a cross-sectional view a-a of fig. 2, with arrows indicating the direction of gas flow.

Fig. 4 is an exploded and partially sectional structural schematic view of a housing and an atomizing core of an ultrasonic atomizer according to a first embodiment of the present invention.

Fig. 5 is a partial sectional structural view of an atomizing core.

Fig. 6 is an exploded view of an ultrasonic atomizer in accordance with a first embodiment of the present invention.

Fig. 7 is a schematic structural diagram of the front and back surfaces of the ultrasonic atomization sheet, wherein a is the front surface and b is the back surface.

Fig. 8 is a schematic perspective view of the pressing member.

Fig. 9 is a first perspective view of the base.

Fig. 10 is a partially cut-away perspective view of the base.

Fig. 11 is a second perspective view of the base.

Fig. 12 is a perspective view of the fixing base.

Fig. 13 is a partially cut-away perspective view of the fixing base.

In the figure:

1. a housing; 11. a suction nozzle;

2. an atomizing core; 21. a seal ring; 22. an ultrasonic atomization sheet; 23. an oil guide body; 24. a base; 25. a fixed seat; 26. a pressing member; 27. an electrode sheet; 28. an atomizing chamber; 29. briquetting; 221. a front electrode; 222. a back electrode; 241. a first cavity; 242. an air outlet channel; 243. inserting the groove; 2431. an insertion opening; 244. mounting grooves; 245. an oil inlet groove; 251. perforating; 252. fixing grooves; 253. an electrode tank; 254. an air tank; 261. pressing the surface; 262. a pressing end; 2621. a ventilation groove;

3. an oil bin.

Detailed Description

The invention is further described below with reference to specific preferred embodiments, without thereby limiting the scope of protection of the invention.

As shown in fig. 1 to 13, an embodiment of the ultrasonic atomizer of the present invention includes a housing 1 and an atomizing core 2. The housing 1 is intended to be hand-held in use and a mouthpiece 11 is provided on the housing 1 to facilitate suction by a user. The both ends of atomizing core 2 all are provided with sealing ring 21, and shell 1 cover is in the outside of atomizing core 2 and with the sealing ring 21 butt at atomizing core 2 both ends, make and form the sump 3 who encircles atomizing core 2 between shell 1's inner wall and the atomizing core 2. The inside ultrasonic atomization piece 22 of atomizing core 2 corresponds the middle part setting in oil storehouse 3, consequently when ultrasonic atomization piece 22 during operation, the heat that ultrasonic atomization piece 22 released is absorbed by the tobacco tar to avoid these heats to be absorbed by shell 1 and make shell 1 scald (the shell absorbs heat after hair scald, there is scald user's risk).

The ultrasonic atomization sheet 22 in this embodiment is disposed along the longitudinal extension of the ultrasonic atomizer, so that when the ultrasonic atomizer is vertically placed, the ultrasonic atomization sheet 22 is in a vertical state (i.e., the ultrasonic atomization sheet 22 is vertically disposed in the atomization core 2).

In this embodiment, the ultrasonic atomization plate 22 is a piezoelectric ceramic plate whose front and back surfaces are both atomization surfaces (i.e., surfaces that oscillate to atomize liquid), and the piezoelectric ceramic plate is solid ceramic, that is, the surface of the piezoelectric ceramic plate is provided without holes, and smoke oil cannot pass through the piezoelectric ceramic plate.

In this embodiment, the front surface of the ultrasonic atomization sheet 22 is provided with a front electrode 221, the back surface is provided with a back electrode 222, and the front and

back electrodes

221, 222 are electrically connected to an external power supply through electrode pads 27, respectively. The front electrode 221 and the back electrode 222 are symmetrically arranged, and the area of the front electrode 221 (the area occupying the surface of the ultrasonic atomization sheet 22) is equal to the area of the back electrode 221, so that the absolute values of the charges on the front side and the back side of the ultrasonic atomization sheet 22 are equal, the phenomenon of heat generation due to the fact that the absolute values of the charges are not equal is avoided, and the same power supply can be simultaneously used for atomization, so that the energy consumption utilization rate is improved, and the atomization efficiency is improved. In addition, the upper part of the ultrasonic atomization sheet 22 is provided with an arc surface, so that the assembly is smoother; the bottom of the ultrasonic atomization sheet 22 is provided with a square limiting surface, so that the connection between the front and

back electrodes

221 and 222 and the electrode sheet 27 is more stable.

In this embodiment, both surfaces of the ultrasonic atomization plate 22 are in contact with the oil guide body 23 (oil guide cotton), and the oil guide body 23 is communicated with the oil bin 3, so that the tobacco tar in the oil bin 3 can be transmitted to the atomization surface of the ultrasonic atomization plate 22 through the oil guide body 23 to be ultrasonically atomized. Like this, two surfaces of ultrasonic atomization piece 22 are used for atomizing simultaneously, make full use of the electric quantity of drive ultrasonic atomization piece work, and two surfaces of ultrasonic atomization piece 22 all have the tobacco tar contact simultaneously, make ultrasonic atomization piece 22 self heat also obtain reducing, both can make shell 1 reduce to send out the boiling hot, can promote the life-span of ultrasonic atomization piece 22 again.

The oil-guiding body 23 is made of a soft oil-guiding material, such as cotton.

The atomizing core 2 in this embodiment further includes a base 24, a fixing seat 25, and a pressing member 26.

The inner cavity of the base 24 is sequentially provided with a first cavity 241, an air outlet channel 242 and an insertion groove 243 from top to bottom. The first cavity 241 is disposed near the mouthpiece 11 of the housing 1, and the cross-sectional area of the first cavity 241 is larger than the cross-sectional area of the air outlet channel 242, so that when smoking, large oil droplets can be condensed in the first cavity 241 to prevent the user from smoking the oil. The bottom of the insertion groove 243 is provided with an insertion opening 2431 for inserting the fixing seat 25 into the insertion groove 243, and the base 24 is provided with an installation groove 244 for installing the pressing member 26 and the oil guide body 23. The pressing member 26 is provided with a pressing surface 261 and a pressing end 262, the pressing surface 261 is used for pressing the oil guiding body 23 in the mounting groove 244, the pressing end 262 is used for pressing the oil guiding body 23 on the ultrasonic atomization sheet 22 to make the oil guiding body 23 contact with the ultrasonic atomization sheet 22, and the pressing end 262 is provided with a ventilation groove 2621 to make the oil guiding of the oil guiding body 23 smoother. The pressing piece 26 and the ultrasonic atomization sheet 22 form an atomization cavity 28 therebetween. An oil inlet groove 245 for communicating the oil sump 3 with the mounting groove 244 is further provided on the base 24.

The upper part of the fixing seat 25 is provided with a through hole 251 for placing the ultrasonic atomization sheet 22, and a fixing groove 252 for fixing the ultrasonic atomization sheet 22 is arranged in the through hole 251. In order to stably place the ultrasonic atomization sheet 22 in the fixing groove 252 of the through hole 251, the shape of the through hole 251 is identical to the outer shape of the ultrasonic atomization sheet 22. Electrode grooves 253 and air grooves 254 communicated with the atomizing cavity 28 are vertically arranged on two surfaces of the lower part of the fixing seat 25, so that air flows can pass through two surfaces of the ultrasonic atomizing sheet 22 and are connected with the electrode sheet 27.

When the atomizing core 2 is assembled, the ultrasonic atomizing sheet 22 is vertically placed in the fixing groove 252 of the fixing seat 25, and the electrode plates are placed in the electrode grooves 253 on the two sides of the fixing seat 25, so that the electrodes on the two surfaces of the ultrasonic atomizing sheet 22 are electrically connected, and meanwhile, the gas grooves 254 are communicated with the surface of the ultrasonic atomizing sheet 22; then the fixing seat 25 is inserted into the lower end of the base 24 from the insertion groove 243 of the base 24, and at this time, both sides of the ultrasonic atomization sheet 22 correspond to the installation grooves 244 on both sides of the base 24; finally, the oil guide body 23 is placed in the mounting groove 244, the oil inlet groove 245 on the base 24 is communicated with the oil guide body 23, the oil guide body 23 is pressed in the mounting groove 244 by the pressing piece 26, and the oil guide body 23 is in contact with the ultrasonic atomization sheet 22.

When the ultrasonic atomizer is used, the smoke in the oil bin 3 enters the oil guide body 23 through the oil inlet groove 245 on the base 24, and is then transmitted to the ultrasonic atomizing sheet 22 by the oil guide body 23 to form smoke through ultrasonic atomization.

The above description is only for the preferred embodiment of the present application and should not be taken as limiting the present application in any way, and although the present application has been disclosed in the preferred embodiment, it is not intended to limit the present application, and those skilled in the art should understand that they can make various changes and modifications within the technical scope of the present application without departing from the scope of the present application, and therefore all the changes and modifications can be made within the technical scope of the present application.

Claims

1. An ultrasonic atomizer, comprising a casing (1) and an atomizing core (2), wherein the casing is sleeved on the atomizing core, and the inner part of the atomizing core extends along the longitudinal direction of the ultrasonic atomizer An ultrasonic atomizing sheet (22) is provided, and the front and back electrodes of the ultrasonic atomizing sheet are respectively electrically connected to an external power source, and it is characterized in that:

Both ends of the atomizing core are provided with sealing rings (21), and the outer casing abuts the sealing rings at both ends of the atomizing core, so that annular oil is formed between the outer casing and the atomizing core Tank (3); the ultrasonic atomizing sheet is set corresponding to the oil tank, and the front and back sides of the ultrasonic atomizing sheet are both atomizing surfaces, and the front and back sides of the ultrasonic atomizing sheet are respectively connected to the oil guide body (23) Contact, the oil guide body communicates with the oil tank, and when the ultrasonic atomizing sheet is connected to an external power supply, the positive and negative atomizing surfaces of the ultrasonic atomizing sheet are simultaneously ultrasonically atomized.

2 . The ultrasonic atomizer according to claim 1 , wherein the two oil guiding bodies are respectively pressed against the ends of the ultrasonic atomizing sheet by the pressing ends ( 262 ) of the pressing members ( 26 ). 3 . Atomization chambers (28) are arranged on the positive and negative atomization surfaces, and between the two pressing members and the ultrasonic atomizing sheet, and the pressing ends (262) of the two pressing members are respectively provided The ventilation groove (2621) communicates the oil tank and the atomization chamber.

3. The ultrasonic atomizer according to claim 1, characterized in that a suction nozzle (11) is arranged on the casing, an air outlet (242) is arranged in the atomizing core, and the air outlet is close to the suction One end of the mouth is provided with a first cavity (241), and the cross-sectional area of the first cavity is larger than the cross-sectional area of the air outlet.

4. The ultrasonic atomizer according to claim 1, wherein the atomizing core further comprises a fixing seat (25), a perforation (251) is formed on the fixing seat, and the ultrasonic atomizing sheet is installed on the inside the perforation, and the shape of the ultrasonic atomizing sheet is consistent with the shape of the perforation.

5. The ultrasonic atomizer according to claim 4, characterized in that, air grooves (254) communicating with the perforations are respectively provided on the front and back surfaces of the fixing seat, and the air grooves are located in the ultrasonic Above the atomizing surface of the atomizing sheet.

6 . The ultrasonic atomizer according to claim 4 , wherein electrode slots ( 253 ) are respectively set on the front and back of the fixing seat, and the two electrode slots are respectively placed in the positive and negative sides of the ultrasonic atomizing sheet. 7 . and an electrode sheet (27) electrically connected to the reverse electrode.

7. The ultrasonic atomizer according to claim 2, wherein the atomizing core further comprises a base (24) and a fixing seat (25), and the upper and lower ends of the base are respectively provided with the The inner cavity of the base is set as a first cavity (241), an air outlet (242) and an insertion groove (243) in sequence from top to bottom, and an insertion port (2431) is arranged at the bottom of the insertion groove , the fixing seat is inserted into the insertion slot through the insertion port; the fixing seat is provided with a perforation (251), the ultrasonic atomizing sheet is installed in the perforation, and the base corresponds to the ultrasonic wave The atomizing sheet is provided with an installation groove (244), the base is further provided with an oil inlet groove (245) that communicates the installation groove and the oil tank, and the oil guide body (23) and the oil tank are placed in the installation groove. the pressing member (26), the oil guiding body is communicated with the oil inlet groove, and the atomizing cavity is communicated with the air outlet.

8 . The ultrasonic atomizer according to claim 7 , wherein the pressing member is further provided with a pressing surface ( 261 ) for pressing the oil guide body against the installation groove. 9 .

9 . The ultrasonic atomizer according to claim 1 , wherein the bottom of the ultrasonic atomizer sheet is set as a square limiting surface. 10 .

10. An electronic cigarette, characterized by comprising the ultrasonic atomizer according to any one of claims 1-9.